Used book – MATHIEU HIDALF 5 - MATHIEU HIDALF'S LAST TEST, Christophe Mauri

The time for the final challenge has come for Mathieu Hidalf. The protection of the Black Hearts, the captain's vigilance, and the principal's instructions will change nothing. The unbearable genius is determined to conduct the trials his own way! But this time, he will have to unite with all the Elitians to face the most perilous battle in the kingdom's history... Nothing stops Mathieu Hidalf!